Ahos was commonly made from shark's teeth and whale bones. a. true b. false

Sea stars, sea urchins, sand dollars, and brittle stars are all memeber of a group, what is the common name of the group they are all in

The terrestrial planets are characterized by having a a.) silicate core b.) iron-rich silicate core c.) iron-rich metallic core d.) none of these

Which of the following is a period in the paleozoic era? devonian cambrian permian all of the above